A steam power plant operates on the basis of Rankine cycle between the pressure limits of...
A steam power plant operates on the basis of Rankine cycle between the pressure limits of 10 MPa in the boiler and 15 kPa in the condenser. The turbine inlet temperature is 425oC. The turbine isentropic efficiency is 90 percent, the pump losses are negligible, and the cycle is sized to produce 2500 kW of power.
(a) Calculate the mass flow rate through the boiler, the power produced by the turbine, the rate of heat supply in the boiler, and the thermal efficiency
(b) How much error is caused in the thermal efficiency if the power required by the pump were completely neglected?
c) fill the table
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T(C) |
P(kPa) |
H(kj/kg) |
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A steam power plant operates on the basis of Rankine cycle
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